Possible origins of the low-temperature anomaly in CeRu2

C. L. Huang, C. H. Chen, S. Mukherjee, Y. Y. Chen, H. D. Yang

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The magnetic-field dependence of DC susceptibility and specific heat of polycrystalline CeRu2 has been studied. The superconducting transition temperature (Tc) of the sample is 6.2 K. An extraordinary anomaly was observed at the T ∼ 6 K in the absence of magnetic field (H), and T is suppressed slightly with increasing H. Such an anomaly can be most probably attributed to the existence of few amounts of CeRu2 nano-clusters embedded in the bulk or the magnetic ordering of impurity phase CexRuy. The T is actually a superconducting transition, which has a higher critical field than the bulk CeRu2.

頁(從 - 到)S712-S713
期刊Physica C: Superconductivity and its applications
出版狀態Published - 2010 12月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 能源工程與電力技術
  • 電氣與電子工程


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